Kev nyab xeeb hluav taws tau ib txwm yog ib lub ntsiab lus yuav tsum tau ua tiag tiag, kev sib tham hauv txhua qhov kev nyab xeeb Gentrield uas nws tau dhau los ua kev nyab xeeb ntawm txhua qhov muaj ntau txoj hauv kev:
1 yam muaj
2 Kev khiav tawm
3 sib txuas lus
Cov rooj hluav taws kub poob rau ntau cov pawg no raws li lawv: 1. Yog ib qho tseem ceeb tiv thaiv kom ua kom muaj hluav taws nyob rau hauv lub compartment nyob rau hauv uas nws pib 2. Tiv thaiv kom deb ntawm cov chav hluav taws uas tuaj yeem kis tau los ntawm cov chav nyob ze.